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Help CenterCB/M1079-81 Marine Pressure Reducing Valve, Cast Steel, Mill Test Report, Standard Compliant, CCS DNV Approved, DN15-DN100, PN1.6-6.4MPa
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 and ISO9001 certified, proudly presents the CB/M1079-81 Marine Pressure Reducing Valve. This cast steel valve is designed to deliver precise pressure control in marine environments, meeting the rigorous standards of CCS and DNV classification societies. With a size range of DN15 to DN100 and pressure ratings from PN1.6 to 6.4MPa, it offers reliable performance for shipbuilding and offshore applications. Each valve is supplied with a Mill Test Report, ensuring full material traceability and compliance with marine industry requirements.
Key Features & Technical Specifications
- Robust Cast Steel Construction – Provides excellent strength and corrosion resistance for long-term marine service.
- CB/M1079-81 Standard Compliance – Manufactured strictly according to the Chinese national standard for marine valves.
- CCS & DNV Type Approval – Certified by leading classification societies, guaranteeing global acceptance on ships and offshore platforms.
- Mill Test Report Included – Every valve comes with a 3.1 material certificate, confirming chemical composition and mechanical properties.
- Wide Size & Pressure Range – Available from DN15 to DN100, with pressure ratings from PN1.6 to 6.4MPa, covering various system requirements.
- High Precision Pressure Reduction – Maintains stable downstream pressure even under fluctuating inlet conditions.
- Easy Maintenance – Designed for simple disassembly and replacement of internal parts, reducing downtime.
| Parameter | Specification |
|---|---|
| Material | Cast Steel (WCB, WCC, or equivalent) |
| Nominal Diameter | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 |
| Pressure Rating | PN1.6, PN2.5, PN4.0, PN6.4MPa |
| End Connection | Flanged (GB/T 2506, JIS, DIN, ANSI available) |
| Working Temperature | -20°C to +200°C (higher upon request) |
| Inlet Pressure Range | Up to 6.4MPa |
| Outlet Pressure Range | 0.1 – 2.5MPa (adjustable) |
| Certification | CCS, DNV, ISO9001:2015 |
Advantages for Your Marine Applications
- Enhanced Safety – Stable pressure regulation prevents system surges and protects downstream equipment.
- Global Compliance – CCS and DNV approvals simplify vessel certification and port inspections.
- Cost-Effective – Durable cast steel body reduces replacement frequency, lowering total cost of ownership.
- Customizable Options – Available with different flange standards, pressure ranges, and trim materials upon request.
- Reliable Supply Chain – As a manufacturer, we offer competitive pricing and timely delivery from Shanghai, Guangzhou, Hong Kong, or Beijing ports.
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted supplier since 2016, with an annual export value of US$1 million to US$1.5 million. Our products are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and other regions. With ISO9001 quality management system, we ensure every valve undergoes strict inspection and testing. The Mill Test Report is provided as standard, giving you full confidence in material quality. We invite you to contact us for a quotation or technical discussion – our experienced team is ready to support your marine projects.
Frequently Asked Questions
Q1: What is the difference between this valve and a standard pressure reducing valve?
A: This valve is specifically designed for marine environments, with CCS and DNV approvals, cast steel material, and compliance with CB/M1079-81 standard. It offers higher corrosion resistance and reliability for shipboard systems.
Q2: Can I get a valve with other flange standards?
A: Yes, we can provide flanges according to JIS, DIN, ANSI, or other standards as required. Please specify your needs when ordering.
Q3: Is the Mill Test Report provided for every valve?
A: Yes, each valve is supplied with a 3.1 Mill Test Report per EN 10204, covering chemical composition and mechanical properties of the cast steel.
Q4: What is the lead time for this product?
A: Typical lead time is 15-30 working days, depending on size and quantity. For urgent orders, please contact our sales team for expedited options.
Q5: Can this valve be used for sea water systems?
A: The standard cast steel valve is suitable for fresh water, oil, and air systems. For sea water applications, we recommend optional bronze or stainless steel trim. Please consult our technical team.
Q6: Do you offer after-sales support?
A: Yes, we provide technical support for installation, commissioning, and troubleshooting. We also offer spare parts for internal components.
Q7: Is the pressure rating customizable?
A: The valve is available in PN1.6, 2.5, 4.0, and 6.4MPa as standard. Other pressure ratings can be manufactured on request, subject to design validation.
Q8: How do I get a sample for testing?
A: We can provide a sample after order confirmation. For small quantities, we also have stock for some popular sizes. Please contact us to discuss.
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